Enhance your indoor air quality with this high-performance Air Purifier Filter, designed to effectively capture 99.97% of allergens and airborne pollutants using a premium cotton filter. Crafted from durable, wear-resistant, and corrosion-resistant materials, this filter ensures long-lasting use and reliable performance to keep your living environment fresh and clean. Key Features: · Premium Quality Materials: Made from ABS and cotton, providing durability, wear resistance, and corrosion resistance for extended filter life. · Superior Filtration Efficiency: The cotton filter captures up to 99.97% of allergens, dust, and pollutants, significantly improving air quality and promoting a healthier home environment. · Easy Installation & Replacement: Designed for simple and direct replacement of old or damaged filters, helping to maintain optimal air purifier performance with minimal effort. · Prolongs Air Purifier Lifespan: Effectively removes dust and debris, reducing wear on your air purifier and extending its service life. · Perfect Compatibility: Specifically engineered to fit Holmes AER1 total air HAPF30AT-U4R and compatible with models including CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9422, and HAP9424. Specifications: · Condition: 100% Brand New · Item Type: Air Purifier Filter · Material: ABS, Cotton · Dimensions: Approx. 25.5 x 12.7 x 3.7 cm (10.0 x 5.0 x 1.5 in) · Weight: Approx. 125g (4.4 oz) Package Includes: · 1 x Air Purifier Filter This Air Purifier Filter is an essential replacement accessory to maintain clean and healthy air in your home. Its high filtration efficiency combined with durable construction ensures improved air purifier performance and a longer device lifespan, making it a practical choice for anyone seeking better indoor air quality.